The title is the Jewish word for the period of mourning after the death of first-degree relatives.
Rabbi Stone sees in a bar a young woman who appears to be talking to herself: she is Rosangela Blackwell from The Blackwell Legacy (2006). She is in fact having a conversation with her spirit guide Joey Mallone which means that this game takes place after the events of Blackwell Legacy.
One the e-mails in Rabbi Amos Zelig's inbox is from Rosangela Blackwell about an interview she had with him and she mentions that the interview will appear as an article on the Village Eye newspaper.